Home / 16,799.28-23,184-9,728.16

Finding the Fourth Proportional to 16,799.28, 23,184 and 9,728.16

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Solution

The fourth proportional to 16,799.28, 23,184 and 9,728.16 is: 13,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,799.28 : 23,184 = 9,728.16 : x
  2. Step 2: Convert to fraction form
    16,799.28/23,184 = 9,728.16/x
  3. Step 3: Cross multiply
    16,799.28x = 23,184 × 9,728.16
  4. Step 4: Simplify right side
    16,799.28x = 225,537,661.44
  5. Step 5: Solve for x
    x = 225,537,661.44/16,799.28
  6. Step 6: Final answer
    x = 13,425.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.